1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
#!/usr/bin/env perl
use strict;
use warnings;
use Test::More;
use Image::PNM;
my $image = Image::PNM->new('t/data/P5.pgm');
is($image->width, 6);
is($image->height, 8);
is($image->max_pixel_value, 255);
is_deeply($image->raw_pixel(1, 2), [78, 78, 78]);
is_deeply($image->pixel(0, 0), [1, 1, 1]);
is($image->as_string('P1'), <<IMAGE);
P1
6 8
0 0 0 0 0 0
0 0 1 1 0 0
0 1 0 0 1 0
1 0 0 0 0 1
1 1 1 1 1 1
1 0 0 0 0 1
1 0 0 0 0 1
0 0 0 0 0 0
IMAGE
is($image->as_string('P2'), <<IMAGE);
P2
6 8
255
255 255 255 255 255 255
255 255 78 78 255 255
255 0 255 255 0 255
0 255 255 255 255 0
0 54 54 54 54 0
0 255 255 255 255 0
0 255 255 255 255 0
255 255 255 255 255 255
IMAGE
is($image->as_string('P3'), <<IMAGE);
P3
6 8
255
255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255
255 255 255 255 255 255 78 78 78 78 78 78 255 255 255 255 255 255
255 255 255 0 0 0 255 255 255 255 255 255 0 0 0 255 255 255
0 0 0 255 255 255 255 255 255 255 255 255 255 255 255 0 0 0
0 0 0 54 54 54 54 54 54 54 54 54 54 54 54 0 0 0
0 0 0 255 255 255 255 255 255 255 255 255 255 255 255 0 0 0
0 0 0 255 255 255 255 255 255 255 255 255 255 255 255 0 0 0
255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255
IMAGE
is($image->as_string('P4') . "\n", <<IMAGE);
P4
6 8
\x00\x30\x48\x84\xfc\x84\x84\x00
IMAGE
is($image->as_string('P5') . "\n", <<IMAGE);
P5
6 8
255
\xff\xff\xff\xff\xff\xff\xff\xff\x4e\x4e\xff\xff\xff\x00\xff\xff\x00\xff\x00\xff\xff\xff\xff\x00\x00\x36\x36\x36\x36\x00\x00\xff\xff\xff\xff\x00\x00\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff
IMAGE
done_testing;
|
